*{
    padding: 0;
    margin: 0;
    box-sizing: border-box;
}
body{
    background-color: #3fc040;
}
@keyframes move1{
    0% {
        transform: scaleY(1);
    }
    100%{
        transform: scaleY(0);
    }
}
#box001{
    position: fixed;
    left: 50%;
    top:50%;
    transform:translate(-50%,-50%);
    overflow: hidden;
}
#box001>li{
    height: 60px;
    width: 10px;
    background-color:white;
    float: left;
    list-style: none;
    animation-name:move1;
    animation-duration:0.6s;
    /*animation-timing-function:linear;*/
    animation-direction:alternate;
    animation-iteration-count:infinite;
    margin-right: 4px;

}
#box001>li:last-child{
    margin-right: 0;
    animation-delay:0.9s;
}
#box001>li:nth-child(2){
    animation-delay:0.1s;
}
#box001>li:nth-child(3){
    animation-delay:0.2s;
}
#box001>li:nth-child(4){
    animation-delay:0.3s;
}
#box001>li:nth-child(5){
    animation-delay:0.4s;
}
#box001>li:nth-child(6){
    animation-delay:0.5s;
}
#box001>li:nth-child(7){
    animation-delay:0.6s;
}
#box001>li:nth-child(8){
    animation-delay:0.7s;
}
#box001>li:nth-child(9){
    animation-delay:0.8s;
}
